Explain the most impact on the development in surgery and medicine during the first would war

One of the main things should be penicillin. It drastically improved survival in war because the infection was being treated better.

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.